Titlebook: Hormones and Behaviour in Higher Vertebrates; J. Balthazart (Scientific Editor),E. Pröve (Associ Conference proceedings 1983 Springer-Verl

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The Interaction of Circulating Oestrogens and Androgens in Regulating Mammalian Sexual Differentiatiy sexual characteristic, gonadal sex, all other differences between males and females are thought to be mediated hormonally via secretions from the testes. In the absence of gonads, mammalian foetuses develop into phenotypic females (Jost 1972). The ovaries of female foetuses differentiate significa

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凶猛

Hormonal Influence on Sexual Differentiation of Rat Brain Anatomye influence of hormones during particular developmental stages. Two of the best-studied sexually differentiated brain functions in a variety of animals are the patterns of gonadotropic hormone release and sexual behaviour. In developing foetal or neonatal mammals these brain functions are thought to

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Hormone-Dependent Brain Development and Behaviournd observed a clear-cut inhibition of comb growth, of male plumage and particularly of male sexual behaviour. The capons did not crow any more and also showed decreased aggressiveness. The crucial animal experiment was the implantation of testes in the abdominal cavity, which prevented these changes

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Endorphin-Monoamine Interaction and Steroid-Dependent Behaviouric activity (Malmnäs 1973, Meyerson and Malmnäs 1978). A stimulatory effect is also obtained after decreased serotonergic neuronal activity, e.g., achieved by treatment with the inhibitor of serotonin biosynthesis, p-chloropehnylalanine (PCPA) (for references see Meyerson and Malmnäs 1978). Intracer

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积习已深

otwendigen Regelungen und Steuerungen und den damit verbundenen Fragen der Sensoren und der Aktoren, die Modellierung der Dynamik sowie die Auslegung und der Bau von Laufmaschinen. Eine dazugehörende und professionell umgesetzte DVD gibt einen vergnüglichen Überblick der Forschungsergebnisse und der dahinter stehenden Probleme..978-3-540-26453-8